Shearman & Sterling LLP is a U.S. law firm heaquartered in New York City with 19 offices located in major financial centers around the world. It is well known for both its litigation and transactional work, especially in International Arbitration, Capital Markets, Finance, and Mergers & Acquisitions. As of 2006, it was the 17th largest law firm in the world as measured by 2006 annual revenue.